Alex Podelko

AUGUST 18, 2019

First, I’d like to elaborate on “It may be less need for simple load testing due to increased scale and sophistication of systems” I meant that the traditional way – testing the system before deploying in production using production-type workload – is not the only way anymore.

Performance Testing 243

Performance Testing Testing Performance Testing Tools 243

Dynatrace

NOVEMBER 2, 2020

IT infrastructure is the heart of your digital business and connects every area – physical and virtual servers, storage, databases, networks, cloud services. This shift requires infrastructure monitoring to ensure all your components work together across applications, operating systems, storage, servers, virtualization, and more.

Infrastructure 199

Infrastructure Monitoring Virtualization Serverless 199

Dynatrace

NOVEMBER 9, 2021

The general agreed-upon definition of. We start with metrics, traces, and logs (that’s table stakes) but also provide context and enrichment through topology, behavior, code, metadata, and network, combined with data from application programming interfaces (API) and OpenTelemetry. Figure 2 The scope of Observability compared to APM.

DevOps 217

DevOps Innovation Cloud Programming 217

The Netflix TechBlog

NOVEMBER 13, 2023

In this blog post, we will introduce speech and music detection as an enabling technology for a variety of audio applications in Film & TV, as well as introduce our speech and music activity detection (SMAD) system which we recently published as a journal article in EURASIP Journal on Audio, Speech, and Music Processing.

Architecture 224

Architecture Energy Benchmarking Processing 224

Dynatrace

DECEMBER 18, 2023

For busy site reliability engineers, ensuring system reliability, scalability, and overall health is an imperative that’s getting harder to achieve in ever-expanding, cloud-native, container-based environments. But often, we use additional services and solutions within our environment for backups, storage, networking, and more.

Metrics 177

Metrics Engineering Energy Tuning 177

The Morning Paper

SEPTEMBER 24, 2019

50 ways to leak your data: an exploration of apps’ circumvention of the Android permissions system Reardon et al., you should definitely check it out if you don’t already know it!). Side-channels are typically an unintentional consequence of a complicated system. USENIX Security Symposium 2019. most apps). most apps).

Systems 74

Systems Traffic Network Google 74

Scalegrid

FEBRUARY 15, 2024

Integrating FIPS mode with SSL/TLS libraries ensures that network encryption and authentication mechanisms adhere to the highest security guidelines, a requirement for many government and regulated industries. While we’re yet to run comprehensive tests, there is definite overhead due to using SSL.

Servers 130

Servers Best Practices Government Network 130

Dynatrace

SEPTEMBER 28, 2021

As we look at today’s applications, microservices, and DevOps teams, we see leaders are tasked with supporting complex distributed applications using new technologies spread across systems in multiple locations. For most systems, an optimum MTTR could be less than one hour while others have an MTTR of less than one day.

DevOps 199

DevOps Metrics Traffic Efficiency 199

Alex Russell

FEBRUARY 28, 2022

I propose four key ingredients: Definition: What is "performance" beyond page speed? These steps inform a general description of the interaction loop: The system is ready to receive input. The system is ready to receive input. The predominant answer: a unified theory of web performance. Input is received and processed.

Performance 104

Performance Latency Architecture Network 104

High Scalability

JULY 18, 2022

Wynter is looking for system administrators, engineers, and developers to join its research panel. If you have experience in hosting and with the WordPress stack, have worked with Ubuntu or Debian-based systems, and cutting-edge technologies, such Ansible and LXC, you should definitely check us out and apply here ! Apply here.

Education 100

Education DevOps Infrastructure Scalability 100

High Scalability

JUNE 10, 2022

Wynter is looking for system administrators, engineers, and developers to join its research panel. If you have experience in hosting and with the WordPress stack, have worked with Ubuntu or Debian-based systems, and cutting-edge technologies, such Ansible and LXC, you should definitely check us out and apply here ! Apply here.

Education 100

Education DevOps Infrastructure Scalability 100

The Netflix TechBlog

MAY 1, 2019

Something is non-deterministic if the same inputs may result in different outputs, such as a network request which may timeout or may return results before the timeout. Something is deterministic if the same input always result in the same output, such as dividing by 0 will fail every time.

Database 158

Database Network Code Systems 158

The Morning Paper

NOVEMBER 12, 2019

Scaling symbolic evaluation for automated verification of systems code with Serval Nelson et al., Serval is a framework for developing automated verifiers of systems software. Prior work has demonstrated symbolic evaluation for specific systems, but Serval introduces a general purpose approach of reusable and interoperable verifiers.

Code 45

Code Systems Programming Google 45

Tech News Gather

JANUARY 29, 2024

MB (iOS) Supported Operating Systems 4.1 All users of gadgets on the Android system can use the instructions below: Visit the Mostbet website. You will see icons that resemble mobile operating systems; main menu of the mobile version of Mostbet; Select Android. App version 5.1.1 Android); 2.7 (iOS) iOS) App size 20.7

Games 52

Games Mobile Programming Operating System 52

Percona

APRIL 12, 2023

Instead of relational (SQL) databases defined primarily through a hierarchy of related sets via tables and columns, their non-relational structure used a system of collections and documents. They came up with a horizontally scalable NoSQL database. Then came the coup de grace — the aforementioned stack-invasive SSPL.

Open Source 85

Open Source Programming Database Servers 85

Speed Curve

FEBRUARY 5, 2024

The use of server-timing headers by content delivery networks closes a big gap. Definitely worth a read! For more years than I care to mention, I've been advising folks that their TTFB should be under 500ms. Caching the base page/HTML is common, and it should have a positive impact on backend times. But what happens when it doesn't?

Servers 57

Servers Cache Retail Benchmarking 57

Adrian Cockcroft

FEBRUARY 9, 2023

The third is that the Team Topologies book defined how to create and manage Platform Teams so there’s interest in the terminology and definition. The next layer is operating system platforms, what flavor of Linux, what version of Windows etc. The second is that some companies with tools to sell are marketing the term.

Engineering 137

Engineering Serverless Lambda AWS 137

Alex Russell

JANUARY 5, 2022

Cribbing from Dieter Bohn's definition , the web is the set of HTML documents (and subresources they reference) currently reachable via links. DNS , the "Domain Name System" that allows servers running at opaque and forgettable IP addresses to be found at friendlier names, like infrequently.org. What is the web proper?

Blockchain 111

Blockchain Media Transportation Internet 111

Dynatrace

OCTOBER 23, 2020

In the case of Unix systems, the dominant solution on the market today that is independent of local package managers (such as dpkg, RPM, and others) is Ansible. It will definitely find its way there before the GA release. In the case of Windows-based environments, the obvious first choice is Windows Group Policy.

Tuning 130

Tuning Monitoring Availability Architecture 130

CSS Wizardry

MAY 19, 2020

It’s widely accepted that self-hosted fonts are the fastest option: same origin means reduced network negotiation, predictable URLs mean we can preload , self-hosted means we can set our own cache-control. However, the execution of this header is bound by the response’s TTFB, which on high-latency networks can be very, very high.

Google 364

Google Media Latency Metrics 364

Alex Podelko

DECEMBER 19, 2019

So you need to understand what is going on there – and Debbie is definitely an authority in that area. Computing System Congestion Management Using Exponential Smoothing Forecasting by James Brady, State of Nevada. – System performance management is an important topic – and James is going to share a practical method for it. .

Efficiency 100

Efficiency Artificial Intelligence Scalability Performance 100

All Things Distributed

APRIL 11, 2018

With Fargate, you don't need to stand up a control plane, choose the right instance type, or configure all the other components of your application stack like networking, scaling, service discovery, load balancing, security groups, permissions, or secrets management. This is the vision behind AWS Fargate.

Cloud 148

Cloud AWS Innovation Traffic 148

All Things Distributed

NOVEMBER 9, 2012

Werner Vogels weblog on building scalable and robust distributed systems. My goal with reading these papers is that by revisiting the original problems systems researchers were trying to solve you get a much better understanding of the challenges we are often still faced with today. All Things Distributed. Comments (). Contact Info.

Network 83

Network Scalability Systems 83

Testsigma

FEBRUARY 6, 2021

Operating Systems and versions: Different Operating Systems are running on different devices and we need to ensure good quality of the mobile application on all of them. Networks: We have accessibility to different speeds of mobile networks on devices. Definitely, we cannot perform this manually.

Mobile 52

Mobile Testing Games Operating System 52

The Morning Paper

MAY 30, 2019

LeaseOS borrows the concept of a lease from distributed systems, but with a rather nice twist, and is able to reduce power wastage by 92% with no disruption to application experience and no changes required to the apps themselves. So about that twist. For each retry, the app would acquire a wakelock, causing severe battery drain.

Mobile 59

Mobile Energy Network Games 59

Smashing Magazine

JUNE 29, 2021

And once all that is done: remember Jamstack serves our apps from the edges of the Content Delivery Network. So we still need to move things from the server they were compiled at to the edges of the network. If an app has a medium to a large amount of routes, it is definitely worth considering the ODB strategy.

Cache 130

Cache Website Strategy Traffic 130

Particular Software

JUNE 3, 2019

We now live in an age when it's possible to stream high definition TV, and yet we are not satisfied. From Udi Dahan's Advanced Distributed Systems Design Course , Day 1 Problem of scale The real problem with bandwidth is not one of absolute speed but one of scale. It's not a problem if I want to download a really big movie.

Latency 40

Latency Speed Network Strategy 40

The Morning Paper

OCTOBER 27, 2019

Interpretability is a domain-specific notion, so there cannot be an all-purpose definition. In the image space, saliency maps show us where the network is looking, but even they don’t tell us what it is truly looking at. CORELS is a machine learning system designed to find such optimal logical models. Scoring systems.

Healthcare 70

Healthcare Energy Network Design 70

Dotcom-Montior

NOVEMBER 24, 2021

There was a time when standing up a website or application was simple and straightforward and not the complex networks they are today. Web developers or administrators did not have to worry or even consider the complexity of distributed systems of today. Great, your system was ready to be deployed. What is a Distributed System?

Systems 74

Systems Monitoring Hardware Network 74

KeyCDN

SEPTEMBER 12, 2019

This can be a problem in a lot of content management systems such as WordPress or Magento, because theme developers tend to scale images down in responsive themes using CSS. An easy way to compress images is with our image processing service that happens to also be fully integrated into our existing network.

Social Media 106

Social Media Media Google Website 106

The Morning Paper

JANUARY 14, 2020

The key thing is that by the definition of the language and the rules for valid expressions within it, any model expressed in that language will be interpretable. Ultimately it’s that learned and interpretable (by humans as well as machines) expression that we deploy in our systems. In PIRL, Verma et al.

Programming 63

Programming Network Games Processing 63

Apica

NOVEMBER 15, 2019

Support a wide variety of devices and application types –The platform should be optimized to support multiple devices, implementations, and Operating Systems. This allows users to validate and simulate diverse types of traffic for defense systems and services while concurrently simulating normal system loads.

Performance Testing 40

Performance Testing Testing Performance Games 40

Dotcom-Montior

DECEMBER 8, 2021

Systems, web applications, servers, devices, etc., SREs and DevOps teams can use these incidents to build back better and improve their systems and services. Now that we have talked about what an incident is, incident management is the process by which teams resolve these events and bring systems and services back to normal operation.

Social Media 90

Social Media Monitoring Latency DevOps 90

High Scalability

FEBRUARY 19, 2021

As a basis for that discussion, first some definitions: Dependability The degree to which a product or service can be relied upon. This means a system that is not merely available but is also engineered with extensive redundant measures to continue to work as its users expect. Availability and Reliability are forms of dependability.

Engineering 215

Engineering Systems Scalability Availability 215

All Things Distributed

DECEMBER 5, 2010

Werner Vogels weblog on building scalable and robust distributed systems. I am very excited that today we have launched Amazon Route 53, a high-performance and highly-available Domain Name System (DNS) service. Naming is one of the fundamental concepts in Distributed Systems. Authoritative servers hold the definitive mappings.

Cloud 117

Cloud Internet Internet AWS 117

The Morning Paper

NOVEMBER 7, 2019

Whereas most root cause analysis systems start from the failure and work backwards, Kairux starts from the beginning of the program execution and works forwards. There’s a bunch of C++ code to drive JVM TI, and a sprinkling of Python for good measure to drive the unit tests of the system under test.

Programming 47

Programming Java C++ Testing 47

MachMetrics

JULY 31, 2020

But we’ll definitely help you decide which is the best choice for your situation. These compressed files allow for quicker network transfers so that your website can be loaded as fast as possible. SV1)"; gzip_vary on; Disclaimer: please consult your system admin before making any server configuration changes. OK, not really.

Speed 67

Speed Servers Google Tuning 67